The three groups were the only ones to submit responses to the Request for Qualifications, issued by the Office of General Services in July.

Responses to the RFP will be due in October.

Renderings of the Monyhan Train Hall (SOM)

The new structure will include flexible space for major events such as car shows and auctions, consumer and trade shows, motocross, equestrian events, equipment shows, and other events that complement and expand the fairgrounds as a year-round destination.

Construction may begin as early as November 2017, with a substantial completion date to coincide with the 2018 State Fair and is expected to create more than 700 construction jobs.

The architecture of the new building will complement the historical style of the other buildings on the grounds and provide flexibility for a wide variety of events, including removable and retractable seating and accessibility for a minimum of 4,000 patrons.

The building will also feature a clear span of at least 250 feet and a clear height of at least 60 feet.

The building will have loading docks, large overhead doors, and spaces for pre-event functions, VIP attendance, concessions and catering. Site improvements, such as access roads, driveways, and utilities will be made. The design will also look to maximize green and sustainable infrastructure technologies, the news release says.